Gotta give credit where credit is due. According to Wikipedia, a Rube Goldberg machine, device, or apparatus is a deliberately over-engineered machine that performs a very simple task in a very complex fashion, usually including a chain reaction. The expression is named after American cartoonist and inventor Rube Goldberg. Here’s a very clever photography ‘gear’ themed Rube Goldberg. Be prepared for about 4 minutes of video via YouTube member 2dPhotography.